Ash-sifter for bakers&#39; ovens.



I. SLAPO.

ASH SIFTER FOR BAKERS OVENS.

APPLICATION FILED MAYIS, 1915.

Patented Jan. 18, 1916.

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1HE COLUMBIA PLANOGRAPM cn., WASHINGTON. D. C.

i. SLAPO.

ASH SIFTEROR BAKERS OVENS.

APPLICATION FILED MAY 13. 1915.

l 1 68,9 l 3 Patented Jan. 18, 1916.

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THB COLUMBIA FLANGCIRAPH cu., WASHINGTUN. D. C.

Isaac sLAro, or New Yoan,-

grio.

ASH-SITER FOR BAKERS OVENS.

Specification of Letters Patent.

Patented Jan. 18, 1216.

Application tiled May 13, 1915. Serial No. 27,957.

Tol all wko/111, it may concern Be it known that I, issue Snare, a sub ject ot the Czar ot Russia, residing atNew York city, Manhattan borough, county and State ot New York, have invented certain new and usetul Improvements in AslrSittf ers tor Bakers Qvens, ot which the tollowing is a tull, clear, and exact description. f

This invention relates to improvements in bakers ovens, but relates more particularly to a sitting device which is located in the ash-pit under the grate.

One ot the objects ot my invention is to provide an eiiectivelyoperating sitting device arranged so that it can be manipulated to permit a person to get into the oven through the ash-pit and up through `the grate trame, the grate being arranged 'tor removal trom its trame.

@ther teatures ot improvement will hereinafter appear.

l will now proceed todescribe my invention in detail, the essential teatures ot which will be summarized in the appended claims, reterence being had to the accompanying drawings, torming part hereot, wherein-- Figure 1 is a sectional top plan view ot an oven provided with my improvement; Fig. 2 is an enlarged vertical sectional view, the section being taken on a line 2-2 in Fig. 3; Fig. 3 isa longitudinal sectional view, the section being taken on a line 3 3 in Fig. 2; Fig. 1 is a top plan view otthe sitter, a portion ot the tront wall ot the oven being shown in section, the other walls being omitted; Fig. 5 is an enlarged sectional detail view, the section being taken on a line 5-5 in Fig. the'wall being omitted; and Fig. (i is a similar view, the section being taken on a line 6*-6 in Fig. 3.

1n the drawings, 1 indicates a bakers oven provided with a damper 2, consisting ot a casing 3 and slidable gate 4; operated by a rod 5 trom the trout ot the oven.

To coperate with my improved ash! sitter, I provide the oven with a removable grate 5', rotatably .supported at 6 by a trame 7 which is `preterably water-j acketed. Under the grate 5 is located an ash-pit 8 within which 1 place my improved sitter 9. The tunction ot the sitter 9 is to receive the ashes trom the grate, when said grate is turned, and to separate the dust, etc., trom the unconsumed tuel. p

My improved sitter comprises a trame 10 consisting ot side members 10a and a trout member or cross-bar11, side members. One end ot the trame 10vis hinged to a tie-bar'V 12 consisting ot the rods 18 andli, one ot which is provided with right hand threads, the other with lettv .hand threads, the rods 13 and 14 being con f nected by a turnbuckle 15. rihe tie-bar 12 serves to brace thefside walis 16 and 1T ot the ash-pit as well as to support the trame the ash -pit as weil,` Vas to support the trame 10.

The sitter 9 consists ot a plurality ot trames or grids 18 and 19, both ot which rest upon the trame 10, the grid 18 over lapping and being arranged to slide over the grid 19. The trame members 10a are otl'set at 20, the grid 19 'resting in the lower portion ot the trame 1G.

During the sitting` operation, the grid 18 is moved to and trolongitudinally ot the trame 10and grid 19. In' combination with the longitudinal movement ot the grid `18, the trame 10 has imparted thereto a swinging movement in a vertical plane. To accomplish this compound movement, .1 provide levers 21, pivoted at 22 to the trent wall ot the oven, the said levers being connected by a rod 23 at their upper ends. Each lever 21 carries an arm` 24: and an arm 25, the arm 24: being pivotaliy connected, by links 26, to the gridi. llfhe tree end ot each arm25 carries a grooved roller 27 4 contacting with the trame 10; in tact, the arms 25 support the tree end ot the trame integral with the 10. "When the levers 21 are swung outwardly, at their upper end, the grid 18l will be moved forwardly and the tree end ot the trame 10 upwardly, the said movements being dependent upon the extent ot movement ot the levers 21. rThe aforesaid movement will ettectually sitt the ashes.

Should it become necessary tor a person to enter a bakers oven, provided with my improvements, the levers 21 will be moved outwardly suiiiciently to cause the grids to assume the position shown by dotted lines 28 in Fig.y

2; or, in other words, to cause the trame and grids to assume a horizontal position. When the grid 18 is drawn ahead to its tull extent so as to be superposed over the lower iiiied grid 19, a person can pass upwardly be-` tween the trame members 10a, 10a and push the grate 5 out ot its trame 7, after which the person can pass through the opening now provided and enter the oven proper. v

The grid 18 carries guides 29 to `slidably receive the frame/members 10a. The grid 19 carries jaws 30 to engage the bar 11 of the frame 10 (Fig. 5). Thegrid 19 is fur-y ther providedwithflanges 31 to assist in guiding the -grid 18 while the grid is being reciprocated. Under normal conditions, the grids 18 and 19 are .extended so as to approximately cover the space between the trame-members 10a shown in F ig. 4, the ,grid 18 being arranged to be moved to a superposed position over the grid 19 to provide a space for a person to pass through. f

When the movablev grid is drawn aheadto its full extent, so as to become superposed over the xed grid, a space will be provided between thetie-bar 1.2 andthe adjacent end or the drawn aheadgrid, which space will be large enoughfor the vpassage oa person as beiore stated. Under normal conditions, the movable grid will occupy that part of 4the traine betweenthe liXed grid and tie-` i ity ofgrids arranged in horizontal vplanes one above the other, a hinged frame theretor, the upper grid being movably mounted on said frame, the lower grid being held against movement upon said frame, means t'o'slidesaid movable grid over said fixed 40 grid,'and means to rock said'frame upon its hinged supportV simultaneously with the movement of said movable grid.

2. A sifting device consistingof a plurality o1"l grids arranged inhorizontal planes one above the other, a trame therefor-,said frame being hinged at one end thereof, a rocking lever to support sald frameat its free end, whereby said Jr'ranrie is swung'upon day of May, 1915.

its hinged support when said lever is rocked,` the upper of said gridsbeing slidably mount-- ed onsaid frame, the lower grid being ixed to said frame, and means connecting thek rocking lever and the movable grid.

, 3. A sitting device consisting of a framel hinged at one end to a support, a plurality of grids carried by said frame, the lower grid being` iiXed'to said frame, the upper grid being slidably mounted on said frame and arranged to slide overt-he fixed Orid, a

. rocking 'lever pivotally supported adjacent the free end "of said frame, an arm carried by said lever, a roller carried by said arm arranged to engage said frame, andl a link pivotally secured at one end t-hereol:I to said lever and at the otherend vto said movable grid. l'

et. t sifting device comprising a frame consistingl ota plurality of members oii'set intermediate the ends thefeoivab grid fixed to said frame and resting upon the oiiset portions of saidV frame members, a grid slidably mounted upon the other portion of said frame members and arrangedtoslide over the fixed grid, a rocking lever pivotally supported adjacent the free end of said frame, an arm carried by said lever, a roller carried by said arm arranged to engage said frame, and a link pivotally secured at one end thereof to said lever and vat the otherend to said movable grid. y

5. A sitter comprising a frame, Yhinged at one end to a support, a grid slidably mounted onthe hinged trame, means to impart to the slidable grid a longitudinal movement, and means to impart to thetrame, simultane` ously with the longitudinal movement of thegrid, a swinging movement in a vertical plane. f Y

ISigned at New Yorlrcity, N. kY. this 11 h1 isaao ksini-1ro.

I mark i "Witnesses: i

MAURICE BLOCK, EDWARD A. Jarvis.V

'Coniesrof this patentmay be obtained for `five cents each, by addressing the Commissioner of latents,

Washington, D. C. 

